Flat-rate email with dedicated infrastructure.
Send email without per-message fees on dedicated servers and IPs. A drop-in replacement for SES, SendGrid, and Mailgun. Unlimited sending via SMTP or API.
From $450/mo. No overage fees, ever.No overage fees, ever.
Start free trialWhat Makes Us Different
How unMTA differs from traditional ESPs like SES, SendGrid, and Mailgun.
Dedicated Infrastructure
No shared sending pools, no shared CPU cycles. Dedicated IPs on fast, modern hardware.
Unlimited Sending
Flat-rate pricing with no per-message tiers, bandwidth costs, or overage charges.
Simple Integration
Standard SMTP relay and simple HTTP API. Drop in your credentials and start sending.
Deliverability Focused
Expert configuration, proper authentication, and proactive support to maximize inbox placement.
High Availability
Deploy redundant servers with load balancing and automatic failover when uptime and performance are mission critical.
Fast AF
Easily scale to millions of messages per hour. Powered by Kumo, modern hardware, and backed by a team of deliverability experts.
Real-Time Visibility
Monitor delivery rates, queue depth, and latency across your dedicated infrastructure. Every metric, every destination, at a glance.

Control Freaks Welcome
Domain-level queue management, guided DNS authentication, access credentials scoped by domain and IP, and more. Every lever you need, nothing you don't.

Zero Black Boxes
Stream every event. Webhooks for real-time, S3 for archival. Pipe delivery data straight into your stack.

Transparent Pricing
No per-message fees. No overage fees, ever. Just dedicated infrastructure at a flat rate. 30-day free trial.
Optimized for
Up to 5M / mo
- Infrastructure
- Dedicated Email Servers1
- Dedicated IPs2 IPv4, 2 IPv6
- Features
- Overage feesNone
- Extra IPs$30/mo per pair
- SupportStandard
- Setup
- Setup Fee$450
Optimized for
5–25M / mo
- Infrastructure
- Dedicated Email Servers2
- Dedicated IPs2 × 2 IPv4, 2 × 2 IPv6
- Features
- Overage feesNone
- Extra IPs$25/mo per pair
- HA deployments
- SupportStandard
- Setup
- Setup Fee$450
Optimized for
25M+ / mo
- Infrastructure
- Dedicated Email Servers2+
- Dedicated IPs2+ × 4 IPv4, 2+ × 4 IPv6
- Features
- Overage feesNone
- Extra IPs$20/mo per pair
- HA deployments
- Multi-tenant
- Custom deployments
- SupportPriority
- Setup
- Setup Fee$450
unMTA vs. SES vs. SendGrid
Drag the slider to compare real costs at your volume.
(unMTA doesn't cap at 50M — this slider does.) Send and save a lot more. Talk to us about custom deployments.
SES
True cost: dedicated IP + VDM + events + data transfer
$515/mo
SendGrid
Pro 2.5M
$1,099/mo
unMTA
Launch (annual)
$450/mo
Save up to $649/mo vs. SendGrid
| unMTA | SES | SendGrid | |
|---|---|---|---|
| Pricing model | Flat rate | Per message + fees | Tiered + overage |
| Dedicated IPs | Included | $24.95/ea | Pro plan only ($89.95+/mo) |
| Infrastructure | Per-customer isolated servers | Shared | Shared |
| Setup | We handle it | AWS config + event pipeline | Minimal |
| Overage fees | None | Pay-as-you-go | Per-thousand overage |
SES pricing reflects true cost including 2 dedicated IPs, VDM, event notifications, and data transfer. SendGrid pricing uses the Pro plan tier that minimizes total cost at the selected volume; enterprise customers are typically on Premier with custom pricing. Competitor pricing verified March 2026 — see unMTA vs. SES and unMTA vs. SendGrid for the full breakdown.
Frequently Asked Questions
Everything you need to know before you start sending.
Sending & Policies
Technical/Integration
Infrastructure
Onboarding
Pricing/Billing
Support
Comparison
Security
Ready to send without per-message fees?
Dedicated IPs. Unlimited volume. Flat monthly rate. Try unMTA free for 30 days.
Get in Touch
Have questions? We're here to help.